reservoir geomecanics

265 Wellbore failure and stress determination in deviated wells
within the shale despite the sub-parallel bedding planes being present within all the
sedimentary units.
In summary, in deviated wells (or vertical wells encountering bedding or aligned fractures
at a high angle to the wellbore), the theory developed by Boness and Zoback (2006)
allows one to separate stress-induced from structurally induced anisotropy (assuming
the orientation of the structures are known) thus providing another technique for determining
stress orientation.